Ma Morris orders a bottle of lotion that contains 15 litters he uses 2/6 of a litter of lotion a day how many days can he use the bottle of lotion until it is empty

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)